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ST952TQF7 Scheda tecnica (PDF) - STMicroelectronics

ST952TQF7 Datasheet PDF - STMicroelectronics
Il numero della parte ST952TQF7
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Grandezza file   140.62 Kbytes
Page   12 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici D.A.A. LINE INTERFACE

ST952TQF7 Datasheet (PDF)

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ST952TQF7 Datasheet PDF - STMicroelectronics

Il numero della parte ST952TQF7
Scarica  ST952TQF7 Click to download

Grandezza file   140.62 Kbytes
Page   12 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici D.A.A. LINE INTERFACE

ST952TQF7 Scheda tecnica (HTML) - STMicroelectronics

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ST952TQF7 Dettagli del prodotto

DESCRIPTION
ST952 is a line interface designed to implement Modem application up to 56Kbps and Voice applications.
ST952 interfaces between telephone line and capacitive isolation barrier.
A complete D.A.A. is made with ST75951 which interfaces between capacitive isolation barrier and the DSP or HSP signals.
If CLID external transistor switch is enabled, a limited amount of current, less than 1mA, is drawn from the line.
In off-hook state, ST952 DC voltage, 4V at a 20mA line current, allows to interface with most of public networks in the world.
The return loss is externally adjustable to real or complex impedance.
In case of a wrong connection in a digital phone line, ST952 detects the over current value and sends to ST75951 an alert signal through the capacitive isolation barrier.
Before starting a line connection, ST952 is abled to check if the line is used by an other terminal connected on the same telephone line.

■ HOOK SWITCH DRIVER
■ RING INDICATOR
■ LINE INTERFACE
   - DC TERMINATION (4V AT 20mA)
   - 2W/4W HYBRID CONVERTER
   - FLAT FREQUENCY RESPONSE DOWN TO 10Hz FOR 56Kps MODEM
■ INTERFACE WITH CAPACITIVE ISOLATION BARRIER
■ CALLER ID INTERFACE
■ DIGITAL PHONE LINE OR OVER LOOP CURRENT LIMIT DETECT
■ PHONE LINE IN USE CHECK

APPLICATIONS
■ MODEMS UP TO V.34, 33.6KBPS AND 56Kbps
■ PCMCIA CARDS
■ FAX MACHINES
■ PERSONAL DIGITAL ASSISTANTS
■ ANSWERING MACHINES
■ HIGH FEATURE PHONES
■ WEBPHONES AND SET TOP BOXES




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A proposito di STMicroelectronics


STMicroelectronics è un produttore di elettronica e semiconduttori multinazionali con sede a Ginevra, in Svizzera.

La società offre una vasta gamma di prodotti tra cui microcontrollori, sensori, amplificatori di potenza e circuiti integrati per varie applicazioni nei mercati automobilistici, industriali e di consumo.

Fondata nel 1987, STMicroelectronics ha operazioni in oltre 100 paesi ed è una delle più grandi società di semiconduttori al mondo.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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